Danfoss VLT FC Series Operating Instructions Manual

Also see for VLT FC Series: Service guide Installation instructions Installation guide Installation instructions Operating guide

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Danfoss VLT FC Series Operating Instructions Manual Manual pdf 19 page image

3.4.2 Wire and Cable Access• Determine the wiring path through the optionpanel enclosure. See the mechanical layoutdrawing located on the inside cover of the unitfor locations to connect power and motor wiring.• Removable access covers are provided for cableconnections (see figure Conduit Entry Diagrams).Remove access covers before drilling holes toprevent metal shavings from damaging internalelectronic components.• For some units, access holes are provided forinput power, motor leads, and control wiring.• Run input power, motor wiring, and controlwiring in three separate conduits for isolation.NOTERUN INPUT POWER, MOTOR WIRING AND CONTROLWIRING IN THREE SEPARATE METALLIC CONDUITS ORRACEWAYS FOR HIGH FREQUENCY NOISE ISOLATION.FAILURE TO ISOLATE POWER, MOTOR AND CONTROLWIRING COULD RESULT IN LESS THAN OPTIMUM DRIVEAND ASSOCIATED EQUIPMENT PERFORMANCE.• The drive always resides in the left-hand panelwhen multiple panels are present.• Power connections are typically on the rightsidepanel, or far right for tier 3 panel configurations.• NEMA 12 enclosures available for additionalenvironmental protection.• Control wiring should be isolated from powercomponents inside the unit as much as possible.• See the mechanical layout drawing on the insideof the unit’s panel and the connection diagramsupplied with the unit for connection details.1130BX220.11Illustration 3.9 Tier 1 (Bottom View)1 Control wiring2 Input power3 Motor powerTable 3.4 Legend to Illustration 3.9130BX221.111 32Illustration 3.10 Tier 2 (Bottom View) NEMA 11 Drive2 Conduit entry3 BypassTable 3.5 Legend to Illustration 3.10130BX222.111 2 3Illustration 3.11 Tier 2 (Bottom view) NEMA 121 Drive2 Conduit entry3 BypassTable 3.6 Legend to Illustration 3.11Installation Option Panel Operating InstructionsMG14I102 - VLT® is a registered Danfoss trademark 173 3